JSPM

A powerful TypeScript schema validation with advanced conditional logic, cross-field validation, and static type inference.

A Fastify plugin that automatically converts query parameter types based on Zod schemas

A TypeScript library that provides type-safe Remote Procedure Call (RPC) communication between different JavaScript contexts using various transport mechanisms

🔧 Enhance your Chrome extensions with efficient and type-safe RPC communication across all layers.

A simple and consistent error handling library for TypeScript applications. Provides type-safe error handling with great DX, solving common pain points like unknown error types, lost stack traces, async error handling, and error serialization. Isomorphic

A tiny TypeScript library for creating type-safe action creators and handlers, facilitating secure and efficient communication between agents such as iframes and web workers.

Simple, type-safe immutable data structure for Typescript

🔗 Simplified, type-safe wrapper for web extension messaging, ensuring seamless communication across different contexts.

Framework-agnostic, lightweight router.

Type-safe environment variable management for TypeScript applications

Co-located, type-checked translations for React components.

Type-safe deep merge utility.

A reusable Directus + GraphQL codegen library & CLI

👮‍♀️ Type-safe interactions with any HTTP API

client that connect http framework in phecda-server

Core library of Retux, a minimalist declarative type-safe(strongly-typed) scalable Redux architecture.

Type-safe result handling with MaybeError pattern

React-Redux Type enhancement suite.

avro-schema-builder

Type-safe utilities for working in TypeScript. For example, a type-safe property path type, deep partial type, etc.

Type-safe path for Next.js

Complete Next-Generation Discord Bot Framework with Type-Safe API, Auto-Caching, and Real-Time Gateway

The modular and type-safe schema library for transforming values

Type-safe event emitter with compile-time event name and payload type checking

A utility for managing search params state with TanStack Router in a type-safe way

A type-safe event emitter for TypeScript with priority-based listeners, sequential/parallel execution strategies, and memory leak detection

Type-safe HTTP client that doesn't suck - Fetch for humans who have stuff to build

Transformer for Elysia and Hono

Arise type-safe IoC containers from your code. Zero overhead, zero coupling.

JsonIndexer is a utility class designed for efficient parsing and indexing of large JSON files. It reads the file in chunks to minimize memory usage, identifies specific arrays or objects by key, and builds an index for quick access. This index includes m

Type-Safe Discord API Definitions and Utilities

🔗 Simplified, type-safe wrapper for web extension messaging, ensuring seamless communication across different contexts.

A lightweight, type-safe RPC library for TypeScript with Zod validation

An opinionated type validator API indpendent from schema validators like Zod, Valibot, etc

Minimal, type-safe CLI framework for Bun

Turn your .env into a fortress—type-checked, secure, and effortless for React, Vite, and Node.

A type-safe HTTP client that never throws. Inspired by Go's error handling pattern.

Safely convert to the desired data and error-free refine values.

TypeScript library offering robust contracts for encoding and decoding values with strong type safety.

Utilities for a more type-safe TypeScript

config manager

Universal automated translation management tool for i18n projects with dynamic language detection - works with Vue.js, React, Angular, Node.js, and any framework using JSON locale files

Type safe dependency injection

CLI para integração entre Swagger e Axios

A TypeScript library that brings Rust-inspired features to TypeScript, including traits, Option, Result, and more. Zero dependencies, type-safe implementation.

Type-safe event handling with runtime validation using guardz for unsafe data from 3rd parties

A TypeScript generic library for managing application configurations with complete type safety

TypeScript client library for zdata backend API with authentication and full CRUD operations

Type-safe generic builder pattern implementation in Typescript

Type-safe error handling with discriminated unions and type guards for TypeScript

A parser combinator library designed for TypeScript, offering type inference and compile-time safety for building modular and maintainable parsers.

Tool for type safe value validation

A comprehensive collection of 100+ production-ready React hooks for state management, UI effects, forms, animations, and more. Carefully curated and optimized for performance and developer experience.

Architectural constructs for web applications.

Modern TypeScript currency converter with type inference and multiple providers (Google Finance, Fixer.io). Framework agnostic with clean architecture.

The type-safe REST API Framework of your dreams.

A lightweight, fully type-safe MongoDB ODM in TypeScript, inspired by Drizzle ORM.

<div align="center">

Type-Safe Discord Component Builders with Fluent API

Minimalistic, type-safe dependency injection solution for TypeScript

Type-safe route generation and navigation for Next.js App Router

Practical, type-safe toolkit for simulating and understanding gacha rates and rate-ups.

A tiny utility for safely extracting property names from TypeScript objects — inspired by C#'s [`nameof`](https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/nameof) operator.

Type-Safe Discord REST API Client with Advanced Rate Limiting

A functional, buildless, and type-safe way to write HTML in JavaScript.

Comprehensive DTO package for ServeMate restaurant management system. Includes type-safe DTOs with Zod validation for users, orders, payments, tables, and menu items management.

🚀 FinPro.js by Scott Lexium - The most comprehensive TypeScript library for financial data operations. Features 154+ currencies, 250+ countries, MongoDB-style queries, dual ESM/CommonJS support, and flag integration. Created by Scott Lexium for modern Ja

Type-safe TypeScript decorators for generating OpenAPI specifications with Promise unwrapping support

Fluently and type-safely write IPC for Electron

**GG-Express** is an Express.js wrapper that enforces strong type requirements for `GET`, `POST`, `PUT`, and `DELETE` methods. It ensures that `req.query` and `req.body` follow strict structure definitions and automatically generates an `apiConnector` cla

Unique IDs with prefixes, inspired by Stripe

Fast, type-safe utilities for vector embedding comparison and search.

E2E Testing Reinvented with AI - A powerful TypeScript browser automation framework using AI-powered testing with LangChain, OpenAI GPT-4o, and Playwright

tailwind-merge + clsx wrapper

A collection of dependency free functors written in typescript

A utility for fetching valid ARIA roles dynamically, validating roles, and providing type-safe access to ARIA role names.

Type-safe data mapper for TypeScript with zero runtime overhead

A lightweight type-safe function builder with interceptors, schema validation, and context management for TypeScript applications.

Type-safe query builder and entity pattern for Supabase with TypeScript

Type-safe environment variable validation for Node.js using Zod schemas or custom adapters. Load .env files, expand variables, fetch async secrets, and validate process.env at startup.

A flexible and easy-to-use configuration management service for TypeScript/JavaScript applications, allowing initialization, setting, and retrieval of configuration parameters.

Module for safe inter process communication (IPC) in electron. TypeScript supported.

A lightweight TypeScript library that enhances your SQL workflow by combining raw SQL with targeted type safety and schema validation

Type safe Object Document Mapper (ODM) for MongoDB

library for crafting types and casting type inhabitants

Complete example MCP server implementation with full specification support, type safety, and production-ready architecture. Demonstrates OAuth 2.1, tools, prompts, sampling, and notifications using Reddit as a real-world integration.

Type-safe hooks for React Router v6 that eliminate undefined checks and provide better developer experience

Unopinionated utilities for interacting with REST APIs on the client-side

A collection of tiny, useful, type-safe React hooks.

A powerful TypeScript library for building distributed systems with event bus, streaming capabilities, and remote object invocation. Features WebSocket-based bidirectional communication between Node.js and browser environments, service discovery, and type

Utility function to easily add timeout to any function returning a promise

intly is Type-safe (TS friendly) i18n library.

A powerful, type-safe SQL query builder for Node.js with support for MySQL, PostgreSQL, and SQLite. Features fluent API, transaction management, and connection pooling.

Types and type-safe functions for JSON.

Rust-style Result type for TypeScript

Type-safe local storage

Simple and lightweight module for dynamic type checking.

Lightweight result wrapper for TypeScript with zero overhead and full control.

Type-safe schema-based URL builder

A highly typed, provider-agnostic analytics library for TypeScript applications

A TypeScript utility for serializing and deserializing structured payloads into compact string format.

Generate API code for any client and any server from the API spec file

Simple and Easy to use fetch API abstraction with zero dependency that is super small!

A local-first, zero-setup visual database for your JSON files. Features spreadsheet-like editing, centralized Zod schema generation (like Drizzle), TypeScript-first validation, and smart file management. Perfect for developers working with JSON data.

Modern, lightweight, and framework-agnostic internationalization library

Predictable and strongly typed fetch requests.

  

Library for defining, serving and consuming strongly typed endpoints in TypeScript

A lightweight utility for mapping object properties between different shapes

Adds type checks for regular expressions.

Library for checking js object property types

A simple, type-safe, and functional way to create HTML documents in TypeScript.

Type-safe Storage wrapper for TypeScript

Inject Typesafe is a 100% typesafe dependency injection framework for typescript that takes a alternative very lightweight approach to dependency injection that feels more like state management than a black box.

NestJS integration module for @devgrid/netron, providing seamless distributed system capabilities with decorators, dependency injection, and automatic service discovery in NestJS applications.

A lightweight TypeScript library that simplifies the creation of structured data objects and classes. It provides a type-safe and flexible way to define classes with custom properties and initialization logic.

A flexible, type-safe HTTP client adapter for TypeScript and JavaScript. Supports custom adapters and includes an out-of-the-box Axios adapter for easy HTTP request handling.

Transform Prisma schemas to TypeORM entities with NestJS integration and fast pg-mem testing

Lightweight, progressive, type-safe error handling for TypeScript

Set and get cookies with optional type validation with a Standard Schema.

High-performance, type-safe logging library for Bun with advanced TypeScript body intersection, modular strategy pattern, transform streams, and immutable API design.

Generate TypeScript types to be used with the PostgreSQL-Typed ecosystem from your PostgreSQL database.

`simple-fetch-ts` is a TypeScript library designed to simplify HTTP requests using a builder-pattern approach. It provides a fluent API for creating, configuring, and executing various HTTP methods (`GET`, `POST`, `PUT`, `PATCH`, `DELETE`) with type safet

A TypeScript utility for managing and configuring routes with type safety and nested route support

Accurate Rounding up to 16n decimal places

A powerful factory for creating extensible and type-safe enums in TypeScript, offering enhanced flexibility and features compared to native enums.

Minimalistic type-safe service container

Declaratively create type-safe HTML and SVG elements.

Fix for Object.keys, which normally just returns an array of strings, which is not good when you care about strong typing

Type-safe, developer-friendly MongoDB aggregation pipeline builder for TypeScript, with auto-relation support and full IntelliSense. Works great with NestJS, Mongoose, or Node.js apps.

A TypeScript-based tool to generate locale JSON files for i18n frameworks with type safety. It ensures missing translations are caught during development, reducing errors and streamlining localization. Fully customizable input/output paths, compatible wit

A tiny, TypeScript-powered package of hyper-fast LitElement mixins. Enhance your web components with swift, type-safe functionality that’s easy to integrate.

A powerful, flexible, and customizable logging utility for TypeScript and JavaScript applications. Supports multiple log levels, context-aware logging, JSON and text output formats, and external log transmission.

A TypeScript API client that creates fetch requests from a staticly typed structured object

GrabEnv is a lightweight, developer-friendly utility for validating, parsing, and managing environment variables in TypeScript apps. Combining dotenv for seamless loading and Zod for schema-based validation, it offers type-safe, reliable configuration man

A lightweight, type-safe browser storage wrapper for localStorage and sessionStorage with namespace support and type checking.

Type-safe query string management and Zod schema generation.

TypeScript functional programming library with over 70% AI-generated code, featuring precise type inference and currying support

Library for checking js object property types

AxiosFlow is a powerful TypeScript library that simplifies API consumption. It uses decorators and reflection to automatically generate type-safe API clients and types for your backend APIs, reducing boilerplate code and enhancing development efficiency.

TypeScript中近乎完美的Class对象序列化解决方案 A near-perfect class object serialization solution for TypeScript.

A powerful, type-safe component styling library for React that combines the best of CSS-in-JS, utility-first CSS, and component composition. Features include variant support, polymorphic components, and seamless TypeScript integration.

Utils for runtime and static type checking in JS and TS

Tiniest message bus possible, type-safe

Isomorphic type-safe path utilities.

A powerful and flexible configuration management library for NestJS applications. Supports JSON, YAML file loading, environment variable overrides, immutable configurations, and type-safe configuration access with dependency injection.

Automatically generate TypeScript interfaces from JSON data, API responses, or database schemas. Perfect for Mongoose, Sequelize, and raw data. Simplify your workflow and ensure type safety with just one function call!

A type-safe dependency injection container with lazy loading and caching

A collection of utility functions for React and JavaScript, providing type-safe utilities for common tasks like prop management, conditional rendering, and more.

Codecs for encoding arbitrary state trees into URL parameters and back again.

A production-ready, real-time, type-safe publish-subscribe system with dynamic schema loading, automatic client code generation, and **full Node.js compatibility**.

fast-moving, less tested version of elm-state-interface

Helper library to make React Router navigation type-safe

AWS S3 cache engine for cacheman

Fix for Object.hasOwnProperty, which normally just returns a boolean, which is not good when you care about strong typing

A safe way to retrieve values from any level of the object cavity

Modern TypeScript utility library with pragmatic typing and zero dependencies

Generate type-safe route utilities for Next.js app router

A powerful, type-safe, and easy-to-use Electron bridge with support for sending callback functions over the bridge

A lightweight TypeScript library for writing URLs in a type-safe manner 👍.

Type-safe typescript wrapper for multicall3

XQuery is a sophisticated TypeScript wrapper for TanStack React Query, designed to enhance developer productivity with OpenAPI-generated clients. It enables developers to build and execute queries using fully type-safe factories instead of managing query

A TypeScript library for type-safe database operations

A Vite plugin that automatically generates type-safe navigation helpers for TanStack Router routes

The type-safe Node.js and browser RPC library built on top of socket.io.

The modular and type-safe form library for Qwik

over-engineered, type-safe, headless, and extensible tooltip builder vs Svelte action

stare management by composition-api

TypeScript library for type-safe and lossless encoding and manipulation of world currencies and precious metals

Tyne is a minimalist, type-safe schema system for defining data shapes, inferring TypeScript types, validating runtime data, and generating `.d.ts` files. Built for speed, clarity, and type fidelity.

Library for defining, serving and consuming strongly typed endpoints in TypeScript

Initialize Nadle into an existing project with zero hassle.

A type-safe form component library for React applications, providing a flexible and maintainable way to build forms with various field types and validation.

A powerful state management library for React, providing a simple and efficient way to manage application state with built-in support for serialization, deserialization, and type safety.

Type-safe RPC framework

Utility function to easily add retries to any function

A lightweight and functional-style library that provides robust abstractions for handling optional values and handling operations that can either succeed or fail. By making states explicit, it encourages precise and deliberate management of application lo

TypeScript library for type-safe and lossless encoding and manipulation of world currencies and precious metals


A TypeScript web server framework with humanistic syntax, end-to-end type safety, and exceptional developer experience using Bun

type-safe paths for io-ts models

Type-safe, developer-friendly MongoDB aggregation pipeline builder for TypeScript, with auto-relation support and full IntelliSense. Works great with NestJS, Mongoose, or Node.js apps.

100% type-safe curry() function written in TS

A powerful layout and serialization library for Solana smart contracts. Enhanced type-safe buffer layout with Solana-specific types support.

TypeScript SDK for XRAY/AURA Core

A library for creating and managing invertible functions and type-safe pipelines in TypeScript.

Minimal library to build type-safe redux applications with TypeScript

Javascript (and Typescript) zod number schemas

NestJS SDK for XRAY/AURA Core

A flexible and extensible multi-database plugin for TypeScript projects, initially featuring MongoDB support. This plugin offers generic CRUD operations with company and user segregation, type-safe document handling, automatic metadata tracking, and built

This is a simple and unique package which makes creating commands using .js and .ts a whole lot easier and make the code look cleaner.

This project has been renamed to detest-bdd

A lightweight, zero-dependency TypeScript library that brings Rust's Result type to your JavaScript/TypeScript projects

A modern, type-safe task runner for Node.js inspired by the awesome Gradle build tool

Minimal newtypes for TypeScript

A comprehensive, type-safe Node.js package for handling Moroccan regions and cities with advanced features including caching, validation, search functionality, and multi-language support.

History-free and dependency-free isomorphic routing library in vanilla JS

A type-safe, declarative DSL for building robust, composable LLM prompts and programs in TypeScript. Selvedge simplifies prompt engineering, structured output, and multi-model orchestration.

simple type-safe flux standard action creator

💉 Type-safe, async library for TypeScript dependency injection

A flexible and type-safe storage service adapter for TypeScript and JavaScript. Supports various storage mechanisms like localStorage, query strings, and mock storage with both asynchronous and synchronous APIs.

A comprehensive TypeScript library for generating harmonious color palettes with WCAG 2.1 accessibility compliance

babel macro for transforming async functions to generator functions

A flexible and type-safe query builder for constructing complex conditional expressions with support for nested groups, various operators, and function calls.

Minimalistic, type-safe dependency injection solution for TypeScript

A TypeScript library implementing Rust-like error handling with Result, Ok, and Err types.

Type-safe HTML and custom components at your fingertips.

React integration for Nehonix FortifyJS - Secure state management with enhanced object operations

Class-based JSON Schema library with full TypeScript support

A lightweight, type-safe utility for Next.js server & client actions with built-in authentication and RBAC(role based access control) checks, Zod validation, auto retries if server action fails, and real-time toast feedback out of the box. Just write your

<p align="center"> <img src="docs/logo.png" /> </p>

🔥 Extremely High Precision Typescript Wrapper for Firestore Web, Providing Unparalleled Type Safe and Dev Experience

Vault is a TypeScript wrapper for an object of <any> type used to get type-correct values out of it

Core contracts for building type-safe applications, including Result, AppError, and domain types.

A TypeScript utility for transforming object keys between different case styles with full type safety

Type safe, framework agnostic, Zod based, custom events extension library.

Next.js adapter for @yuankui/rpc

A type-safe HTTP client with middleware, caching, and OpenAPI support

Electron adapter for @yuankui/rpc

Type-safe workflow SDK for Candoa with Copilot-friendly syntax. Define chat workflows with triggers, actions, and type safety.

A robust, type-driven serialization/deserialization library for TypeScript classes.

100% type-safe pipe() function written in TS

Type-safe, composable, seamless data flow Finite-state machine implementation in TypeScript

Make Web Worker easy and type-safe.

Typed bidirectional routing for OCaml/ReasonML web applications

Type-safe Notion content layer for easily rendering Notion content. Works with the Remark & Rehype ecosystem.

TypeScript-first API client with Standard Schema support, providing excellent DX and strict type safety.

define an app in a simple, safe and declarative way

Fast and type-safe deep copy utility for JSON-compatible data structures.

Type-safe BullMQ integration with Zod schema validation

A minimalistic, secure, type-safe data store for Electron

A minimalistic, secure, type-safe, zero-dependencies, persistent data store

Wrapper functions to return type safe responses from Object enumerating functions.

Type-safe environment variable parsing with full TypeScript IntelliSense support

100% type-safe memoize() function written in TS

compile time async dependency injection plugin

Simple, type-safe CQRS library with auto-registration and minimal boilerplate (typebus-cqrs)

Type-safe configuration management for NestJS applications

Enhance Zod with real-world schema utilities for production-grade apps.

A declarative type-safe HTTP fetching library

A simple, type-safe functional programming library for JavaScript/TypeScript with intuitive type-based organization

An easy to use dropdown step component for React Native

A powerful component factory for React that simplifies creation of reusable components with built-in support for composition patterns, conditional rendering, prop management, and TypeScript integration.

A flexible and customizable table component library for React applications, providing an easy way to display, sort, and filter tabular data.

> description

Fastify route handler validation plugin using Zod in TypeScript

A robust environment variable validation library for Node.js

A powerful TypeScript React library for handling server actions with type-safe validation, built for Next.js applications with React 19+ and Zod schema validation.

Simple typed Worker abstractions for Node.js and browser

A type-safe utility that eyeballs your environment variables so you don't have to.